Blue neck fan with airflow function, multiple [portable neck-mounted air conditioners] neck-mounted fans incorporate semiconductor cooling chips and four-layer aluminum cooling pads, representing a new technology in wearable neck-mounted fans. It can reach a maximum temperature 59℉-68℉ lower than the ambient temperature. Using the aluminum cooling pads, you can quickly cool your body and dissipate the surrounding heat. Comfortable use is possible with multiple wind speed settings. - Color: Blue - Design: Neck fan - Function: Cooling function - Wind speed adjustment: Multiple wind speed settings - How to use: Wear around the neck - Features: Airflow function - Material: Plastic Thank you for viewing.